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I have one with the JBD tune in it. Ran my friend's e92 from a light and freeway just for comparison. Both times I got a decent jump with around 500 ft/lbs of tq, but he ended up cathing me and passing me. I recall seeing couple time slips of 335d with a tune and drag radials doing 12.6 in the 1/4 mile so ultimately it is a cool car that's fun to drive every day because of instant tq, but BMW built the M3 making sure that no other 3 series will be a competition stock for stock.
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Current: 21 M5 Comp, 17 X5M, 06 M3, 14 Ferrari FF, Tesla Model S Performance.
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